CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance, common (in shares) at Dec. 31, 2021		38,820,222
Beginning balance at Dec. 31, 2021	$ 143,040	$ 4	$ (5,566)	$ 66,875	$ 81,803	$ (76)
Beginning balance, treasury (in shares) at Dec. 31, 2021			(341,522)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	27,638				27,638
Issuance of common stock:
Exercise of stock options, net of shares withheld for taxes (in shares)		73,715
Exercise of stock options, net of shares withheld for taxes	487			487
Restricted stock units and awards, net of shares withheld for taxes (in shares)		115,327
Restricted stock units and awards, net of shares withheld for taxes	(283)			(283)
Fully vested shares (in shares)		1,778
Share-based compensation	2,933			2,933
Adjustment from foreign currency translation, net	$ 11					11
Acquisition of treasury stock, at cost (in shares)	(727,901)		(727,901)
Acquisition of treasury stock, at cost	$ (13,628)		$ (13,628)
Ending balance, common (in shares) at Jun. 30, 2022		39,011,042
Ending balance at Jun. 30, 2022	160,198	$ 4	$ (19,194)	70,012	109,441	(65)
Ending balance, treasury (in shares) at Jun. 30, 2022			(1,069,423)
Beginning balance, common (in shares) at Mar. 31, 2022		38,885,736
Beginning balance at Mar. 31, 2022	152,734	$ 4	$ (9,194)	68,431	93,457	36
Beginning balance, treasury (in shares) at Mar. 31, 2022			(565,910)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	15,984				15,984
Issuance of common stock:
Exercise of stock options, net of shares withheld for taxes (in shares)		29,990
Exercise of stock options, net of shares withheld for taxes	(75)			(75)
Restricted stock units and awards, net of shares withheld for taxes (in shares)		94,540
Restricted stock units and awards, net of shares withheld for taxes	(9)			(9)
Fully vested shares (in shares)		776
Share-based compensation	1,665			1,665
Adjustment from foreign currency translation, net	$ (101)					(101)
Acquisition of treasury stock, at cost (in shares)	(503,513)		(503,513)
Acquisition of treasury stock, at cost	$ (10,000)		$ (10,000)
Ending balance, common (in shares) at Jun. 30, 2022		39,011,042
Ending balance at Jun. 30, 2022	$ 160,198	$ 4	$ (19,194)	70,012	109,441	(65)
Ending balance, treasury (in shares) at Jun. 30, 2022			(1,069,423)
Beginning balance, common (in shares) at Dec. 31, 2022	36,630,970	39,453,236
Beginning balance at Dec. 31, 2022	$ 149,906	$ 4	$ (59,300)	70,210	139,134	(142)
Beginning balance, treasury (in shares) at Dec. 31, 2022	(2,822,266)		(2,822,266)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 27,184				27,184
Issuance of common stock:
Exercise of stock options, net of shares withheld for taxes (in shares)		67,250
Exercise of stock options, net of shares withheld for taxes	822			822
Restricted stock units and awards, net of shares withheld for taxes (in shares)		48,980
Restricted stock units and awards, net of shares withheld for taxes	(872)			(872)
Fully vested shares (in shares)		1,607
Share-based compensation	3,943			3,943
Adjustment from foreign currency translation, net	$ 357					357
Acquisition of treasury stock, at cost (in shares)	(1,232,581)		(1,232,581)
Acquisition of treasury stock, at cost	$ (30,515)		$ (30,515)
Ending balance, common (in shares) at Jun. 30, 2023	35,516,226	39,571,073
Ending balance at Jun. 30, 2023	$ 150,825	$ 4	$ (89,815)	74,103	166,318	215
Ending balance, treasury (in shares) at Jun. 30, 2023	(4,054,847)		(4,054,847)
Beginning balance, common (in shares) at Mar. 31, 2023		39,556,217
Beginning balance at Mar. 31, 2023	$ 155,853	$ 4	$ (66,884)	71,797	150,896	40
Beginning balance, treasury (in shares) at Mar. 31, 2023			(3,138,725)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	15,422				15,422
Issuance of common stock:
Exercise of stock options, net of shares withheld for taxes (in shares)		10,000
Exercise of stock options, net of shares withheld for taxes	99			99
Restricted stock units and awards, net of shares withheld for taxes (in shares)		4,075
Restricted stock units and awards, net of shares withheld for taxes	(38)			(38)
Fully vested shares (in shares)		781
Share-based compensation	2,245			2,245
Adjustment from foreign currency translation, net	$ 175					175
Acquisition of treasury stock, at cost (in shares)	(916,122)		(916,122)
Acquisition of treasury stock, at cost	$ (22,931)		$ (22,931)
Ending balance, common (in shares) at Jun. 30, 2023	35,516,226	39,571,073
Ending balance at Jun. 30, 2023	$ 150,825	$ 4	$ (89,815)	$ 74,103	$ 166,318	$ 215
Ending balance, treasury (in shares) at Jun. 30, 2023	(4,054,847)		(4,054,847)